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51results about How to "Improve network environment" patented technology

Cognition-based deceptive anti-interference method and device in unmanned aerial vehicle network

The embodiment of the present application provides a cognition-based deceptive anti-interference method and device in an unmanned aerial vehicle network and belongs to the technical field of wirelesscommunications. The method comprises the following steps: determining whether data transmission exists in the progress of a first unmanned aerial vehicle in the unmanned aerial vehicle network, and whether the data transmission is interfered by a first interference signal; if both the determination results are yes, obtaining a network parameter of the unmanned aerial vehicle network; determining an optimal spoofing channel according to the network parameter and a pre-stored spoofing channel selection algorithm; determining an optimal spoofing revenue power according to the network parameter and a pre-stored spoofing power allocation policy; if the optimal spoofing revenue power is greater than a preset revenue threshold, sending the pre-stored spoofing signal through the optimal spoofing channel based on the optimal spoofing revenue power, to a second unmanned aerial vehicle in the unmanned aerial vehicle network for receiving the acquired data corresponding to the data transmission. By adoption of the cognition-based deceptive anti-interference method and device in the unmanned aerial vehicle network in the invention, the anti-interference effect of the unmanned aerial vehicle canbe improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Cognitive-based deceptive anti-jamming method and device in UAV network

The embodiment of the present application provides a cognition-based deceptive anti-interference method and device in an unmanned aerial vehicle network and belongs to the technical field of wirelesscommunications. The method comprises the following steps: determining whether data transmission exists in the progress of a first unmanned aerial vehicle in the unmanned aerial vehicle network, and whether the data transmission is interfered by a first interference signal; if both the determination results are yes, obtaining a network parameter of the unmanned aerial vehicle network; determining an optimal spoofing channel according to the network parameter and a pre-stored spoofing channel selection algorithm; determining an optimal spoofing revenue power according to the network parameter and a pre-stored spoofing power allocation policy; if the optimal spoofing revenue power is greater than a preset revenue threshold, sending the pre-stored spoofing signal through the optimal spoofing channel based on the optimal spoofing revenue power, to a second unmanned aerial vehicle in the unmanned aerial vehicle network for receiving the acquired data corresponding to the data transmission. By adoption of the cognition-based deceptive anti-interference method and device in the unmanned aerial vehicle network in the invention, the anti-interference effect of the unmanned aerial vehicle canbe improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Bus starting station condition acquisition system

The invention relates to a bus starting station condition acquisition system which comprises a positioning device arranged on a bus starting from a starting station, and further comprises a POE switch, and a plurality of cameras, intelligent display screens, a network hard disk video recorder and a router which are respectively connected with the POE switch, wherein the plurality of cameras are located in each lane of the bus starting station, there are a plurality of intelligent display screens which are respectively arranged at the starting station of each bus, the network hard disk video recorder is connected with a monitoring display, the router is respectively connected with the Internet and a main control computer, and the main control computer is connected with the positioning device. Compared with the prior art, the system obtains the position condition of the bus through the positioning device on the bus, facilitates the tracking analysis of the driving operation condition ofthe bus, achieves the real-time monitoring of the station condition through all lane cameras, can obtain the actual parking condition of the bus, and facilitates monitoring of the passenger order of the bus starting station so as to guarantee the rights and interests of passengers.
Owner:SHANGHAI GONGLIAN COMM INFORMATION DEV
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